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5. Increased biological activity of dimers of oxymorphone and enkephalin: possible role of receptor crosslinking. Hazum E; Chang KJ; Leighton HJ; Lever OW; Cuatrecasas P Biochem Biophys Res Commun; 1982 Jan; 104(1):347-53. PubMed ID: 6176227 [No Abstract] [Full Text] [Related]
6. Only one pharmacophore is required for the kappa opioid antagonist selectivity of norbinaltorphimine. Portoghese PS; Nagase H; Takemori AE J Med Chem; 1988 Jul; 31(7):1344-7. PubMed ID: 2838632 [TBL] [Abstract][Full Text] [Related]
7. Synthesis and opioid antagonist potencies of naltrexamine bivalent ligands with conformationally restricted spacers. Portoghese PS; Ronsisvalle G; Larson DL; Takemori AE J Med Chem; 1986 Sep; 29(9):1650-3. PubMed ID: 3018242 [TBL] [Abstract][Full Text] [Related]
8. Design and synthesis of naltrexone-derived affinity labels with nonequilibrium opioid agonist and antagonist activities. Evidence for the existence of different mu receptor subtypes in different tissues. Sayre LM; Larson DL; Takemori AE; Portoghese PS J Med Chem; 1984 Oct; 27(10):1325-35. PubMed ID: 6090663 [TBL] [Abstract][Full Text] [Related]
10. Comparison of dynorphin-selective Kappa receptors in mouse vas deferens and guinea pig ileum. Spare receptor fraction as a determinant of potency. Cox BM; Chavkin C Mol Pharmacol; 1983 Jan; 23(1):36-43. PubMed ID: 6135144 [No Abstract] [Full Text] [Related]
12. 7-spirobenzocyclohexyl derivatives of naltrexone, oxymorphone, and hydromorphone as selective opioid receptor ligands. Fang X; Larson DL; Portoghese PS J Med Chem; 1997 Sep; 40(19):3064-70. PubMed ID: 9301669 [TBL] [Abstract][Full Text] [Related]
13. Activity of mu- and delta-selective opioid agonists in the guinea pig ileum preparation: differentiation into peptide and nonpeptide classes with beta-funaltrexamine. Ward SJ; LoPresti D; James DW J Pharmacol Exp Ther; 1986 Aug; 238(2):625-31. PubMed ID: 3016244 [TBL] [Abstract][Full Text] [Related]
14. Selectivity of dynorphin for kappa opioid receptors. James IF; Chavkin C; Goldstein A Life Sci; 1982 Sep 20-27; 31(12-13):1331-4. PubMed ID: 6128656 [No Abstract] [Full Text] [Related]
15. 7-Spiroindanyl derivatives of naltrexone and oxymorphone as selective ligands for delta opioid receptors. Ohkawa S; DiGiacomo B; Larson DL; Takemori AE; Portoghese PS J Med Chem; 1997 May; 40(11):1720-5. PubMed ID: 9171881 [TBL] [Abstract][Full Text] [Related]
16. 14-Desoxy analogues of naltrindole and 7-spiroindanyloxymorphone: the role of the 14-hydroxy group at delta opioid receptors. Kshirsagar TA; Fang X; Portoghese PS J Med Chem; 1998 Jul; 41(14):2657-60. PubMed ID: 9651172 [TBL] [Abstract][Full Text] [Related]